2023
Influence of User Profile Attributes on e-Cigarette–Related Searches on YouTube: Machine Learning Clustering and Classification
Murthy D, Lee J, Dashtian H, Kong G. Influence of User Profile Attributes on e-Cigarette–Related Searches on YouTube: Machine Learning Clustering and Classification. JMIR Infodemiology 2023, 3: e42218. PMID: 37124246, PMCID: PMC10139687, DOI: 10.2196/42218.Peer-Reviewed Original ResearchUser profilesSearch resultsAlgorithmic systemsUser profile attributesGraph convolutional networkYouTube search resultsProduct review videosK-means clusteringRecommendation algorithmUser attributesConvolutional networkMachine learningProfile attributesProduct reviewsUser characteristicsVideoReview videosUnderage usersYouTubeHigh accuracyHealth informationNetworkSex attributesClusteringAttribute factors
2022
Tobacco promotion restriction policies on social media
Kong G, Laestadius L, Vassey J, Majmundar A, Stroup AM, Meissner HI, Taleb Z, Cruz TB, Emery SL, Romer D. Tobacco promotion restriction policies on social media. Tobacco Control 2022, 33: 398-403. PMID: 36328589, PMCID: PMC10154427, DOI: 10.1136/tc-2022-057348.Peer-Reviewed Original ResearchAn Exploration of e-Cigarette–Related Search Items on YouTube: Network Analysis
Dashtian H, Murthy D, Kong G. An Exploration of e-Cigarette–Related Search Items on YouTube: Network Analysis. Journal Of Medical Internet Research 2022, 24: e30679. PMID: 35084353, PMCID: PMC8832267, DOI: 10.2196/30679.Peer-Reviewed Original ResearchConceptsRule-based classificationInformation networksRule-based classification approachE-cigarette-related contentBetweenness centralityDistinct videosLeast connectionsSearch resultsClassification approachUser perceptionVideoSearch itemsNetwork modelingNetworkYouTubeSocial mediaSimilar wordsUnderlying structureNodesSimilar meaningNovel methodClassificationNetwork analysisGatewayLevel of importance